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PIER PIER B PIER C PIER M PIER Letters
2012-01-19
On Body Concealed Weapon Detection Using a Phased Antenna Array
By
Stuart William Harmer,

    Professor Stuart William Harmer

    Applied Electromagentics

    The University of Suffolk

    UK

    Homepage

Shawn Edward Cole,

    Dr. Shawn Edward Cole

    Sensing and Imaging Group

    Manchester Metropolitan University

    UK

    Homepage

Nicholas John Bowring,

    Prof. Nicholas John Bowring

    Sensing and Imaging Group

    Manchester Metropolitan University

    UK

    Homepage

Nacer Ddine Rezgui,

    Dr. Nacer Ddine Rezgui

    Manchester Metropolitan University

    UK

    Homepage

David Andrews

    Dr. David Andrews

    Manchester Metropolitan University

    UK

    Homepage

Progress In Electromagnetics Research, Vol. 124, 187-210, 2012
doi:10.2528/PIER11112105
Abstract
The detection and identification of metal items and, in particular weapons, of linear size ≥10 cm, concealed upon the human body, is demonstrated as being entirely feasible by using a phased array of suitably ultra wide band transceivers. The complex natural resonances and especially the fundamental resonance, are excited by ultra wide band, stepped frequency continuous wave illumination of the target, using a phased array of antennae to focus the radiation. Broadband illumination of the target with microwave radiation of suitable frequency range (Typically 0.3-3 GHz for handgun sized objects) excites low order complex natural resonances and the late time response of the concealed item can be spatially located using phased array imaging techniques. Further processing of the late time response enables classification of the concealed object, based on the complex natural resonant frequencies of the object, so that threat items such as handguns and knives can be differentiated from benign items such as mobile phone handsets and cameras.
Citation
Stuart William Harmer, Shawn Edward Cole, Nicholas John Bowring, Nacer Ddine Rezgui, and David Andrews, "On Body Concealed Weapon Detection Using a Phased Antenna Array," Progress In Electromagnetics Research, Vol. 124, 187-210, 2012.
doi:10.2528/PIER11112105
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